Mizuno Tadakiyo was a daimyō during Bakumatsu period Japan, who served as chief senior councilor (Rōjū) in service to the Tokugawa shogunate.
- Occupation
- samurai
- Position held
- Rōjū, Q141658002, Q141733751
- Citizenship
- Japan
- Born
- February 5, 1833, December 16, 1832
- Died
- May 8, 1884